549261098 has 4 divisors (see below), whose sum is σ = 823891650. Its totient is φ = 274630548.

The previous prime is 549261079. The next prime is 549261113. The reversal of 549261098 is 890162945.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 340660849 + 208600249 = 18457^2 + 14443^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137315273 + ... + 137315276.

Almost surely, 2^549261098 is an apocalyptic number.

549261098 is a deficient number, since it is larger than the sum of its proper divisors (274630552).

549261098 is a wasteful number, since it uses less digits than its factorization.

549261098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274630551.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 549261098 is about 23436.3200609652. The cubic root of 549261098 is about 818.9541982146.

The spelling of 549261098 in words is "five hundred forty-nine million, two hundred sixty-one thousand, ninety-eight".